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46808 (1998 KX45)
Classification: Main-belt Asteroid          SPK-ID: 2046808
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716514116752923 3.5846e-08  
a 2.276903835090502 8.1051e-09 au
q 1.886070077548331 8.0477e-08 au
i 2.830432309641777 4.0092e-06 deg
node 121.6003197780405 8.8644e-05 deg
peri 179.124756680408 8.9637e-05 deg
M 108.3585885675229 1.3091e-05 deg
tp 2458622.774505468023
(2019-May-19.27450547)
4.5466e-05 TDB
period 1254.918321003933
3.44
6.7007e-06
1.835e-08
d
yr
n .2868712600450365 1.5318e-09 deg/d
Q 2.667737592632674 9.4963e-09 au
  Orbit Determination Parameters
   # obs. used (total)      950  
   data-arc span      7857 days (21.51 yr)  
   first obs. used      1998-05-22  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53282  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:20:16  

Additional Information
 Earth MOID = .870507 au 
 Jupiter MOID = 2.54339 au 
 T_jup = 3.587 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO449297  

46808 (1998 KX45)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KX45 = 1999 XN71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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